{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "protein", "cell line", "cell type", "DNA"], "input": "Although it has been previously shown that the IL-6 kappa B motif functions as a potent IL-1/tumor necrosis factor-responsive element in nonlymphoid cells , its activity was found to be repressed in lymphoid cells such as a Jurkat T-cell line ."}
{"RNA": [], "protein": ["IL-6"], "cell line": ["Jurkat T-cell line"], "cell type": ["nonlymphoid cells", "lymphoid cells"], "DNA": ["IL-6 kappa B motif", "IL-1/tumor necrosis factor-responsive element"]}